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  1. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by ccschua I cant understand, if BNC connection is so good and cheap, why is not provided in most of the DAC ? . This is a joke. BNC connections are preferred by a number of people including the manufacturer of the Monica DACs - diyparadise - Bad Naughty...
  2. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by DCT I want to change the RCA Jack on the Zero. How do you do it guys? I simply drilled two holes in the back cover and added 2 new RCA jacks. You can then steal the signal from the current jacks.
  3. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by kejar31 Although the Sun does have some pretty cool green lights. I'm been looking at using an acrylic cover on another project. An acrylic cover for the ZERO may work. Maybe even an entirely acrylic case
  4. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by Pricklely Peete But you must submit... to the central scrutinizer ( a line from Frank Zappa ) Great job Scottie...!!!! It's fun too..in a weird sort of (geek like) way isn't it ? No pics needed..just optional...but I don't blame you for not wanting to...
  5. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by LeBuLLeT Well I will be using the Amp for both speakers and headphone so are you saying its not really worth using as a headphone amp? Nope. It's an OK headphone amp and you can roll the opamps to improve it. FWIW I have 2 tweaked ZEROs, one is...
  6. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by LeBuLLeT hey everyone I was just wondering but how much of an improvement has this upgraded Zero been compared to a stock Zero. Also with all the money spent on a zero couldn't you use that money to start off with something better instead of getting something...
  7. ianp

    Request for help - Looking for someone to help me understand the lampizator circuit diagram

    Hello All, I have been tweaking the ZERO DAC and have been reporting back into review thread. I am now considering adding a 6N6P tube to the DAC as a further (and some might say drastic) mod. The modification is detailed on this page and I am looking for some assistance in translating the...
  8. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by ccschua I have been looking for a pair of RCA socket to replace the existing one. On one occasion, I just pulled out the RCA external earth. How is Neutrik compared to WBT ? is it neutrik more value for money. Can the Neutrik or WBT be the exact...
  9. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by Garret Jax Noob question here: still burning in my Zero and loving it, but I would like to hear it next to a tube amp. I've never heard a tube amp before. Maybe I'll go to the local audiophile store and see if they have any. My question is basic: don't those...
  10. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by taso89 I'm not aware of the differences between one volume pot and another, but what I do notice on the stock volume pot is a good deal of snap crackle and pop when I move the knob from 9:00 to 12:00 back and forth. Is this something to be expected or do I...
  11. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by taso89 What I meant was is it SUPPOSED to be an improvement over the stock pot or did he just need a replacement FWIW The standard volume pot can best described as perfunctory. It does the job, but can be readily improved upon.
  12. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by AudioPhewl One of your DACs has lost the headphone symbol. Has it been on a diet? Or is it ready for valve-lampization? ~Phewl. The older units didn't have the headphone graphic. But, yes the one with the headphone graphic is the one that is ready...
  13. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Following on from the snippit mod I performed earlier in the week, I have been comparing the sound to a ZERO DAC with an HDAM fitted. All comparisons were done using an Onix SP3 amp (modified with bypass caps and some rolled tubes) into a set of well broken-in Quad 22L2 speakers. Having two...
  14. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by Summer Jazz Hi Ianp, I would like to know what is "install the proper Gucci jewellery"? Did u mod your Zero to include the tube? Thanks! katanka is correct about the gucci, it means to use good quality RCA jacks. I have not yet installed the...
  15. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by katanka Hi Ianp Can you take a photo with all your wires soldered for this mod from above The page that I mention has some good images. Let me elucidate the steps a little more: Quote: 1. Remove the existing RCA sockets and install the proper...
  16. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    As described on this page - ZERODAC The steps are pretty straightforward, as per the above page: 1. Remove the existing RCA sockets and install the proper Gucci jewellery. 2. Lift the MINUS leg of 1st and 3rd decoupling capacitor - see picture of four Silmic caps in one row. (can be 2nd...
  17. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by ccschua This is the thread that discuss the new opamp. diyAudio Forums - Discrete OPAMP Link to the sellers site - http://www.audio-gd.com/enweb/pro/diy/OPA.htm
  18. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by ccschua Well it goes like this.. He come out with Earth and Sun. By the name, Earth is more neutral and Sun is more dynamic, full of life. The costs is Less than USD 30 per piece with dual output. Just paid for Earth and Sun, will wait for item to aarive...
  19. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by ccschua So i guess i will be the first to break the good news. The HDAM challenger has arrived at a fraction of the costs. Yep, good news for sure, but do you have any further details ? Can't wait for a cook-off between them
  20. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by AudioPhewl Aye, I've had no response from him. Not for my emails, nor the Paypal dispute. Looks like things go great, so long as there isn't a problem. ~Phewl. Vendor reputations are built on overall customer satisfaction, which does include...
  21. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by Carter54 I have been Watchin ghte for sale for a while now and i was the Second PM on the last 2 Zero's. Subscribe to the 'for sale' forums RSS feeds and monitor like a hawk !
  22. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by Pricklely Peete Excellent page ianp !!!....thanks for the link....like you I'm learning as I go....always learning ....lately I've been really pushing the info curve into my noggin...such that the ole brain sometimes does one of these then the light bulb...
  23. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by Pricklely Peete Thanks ianp....I'm not doubting anyones credentials...Just wondered what the little caps are actually doing. I'll snip mine out and have a listen....what is there purpose in the stock circuit ian....any info will be appreciated...
  24. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by Pricklely Peete Hi AP and ianp, Aren't those 220pf caps there for scrubbing any dc offset in the signal ? Have you measured what that offset might be ? If I'm wrong than disregard.. I've replaced mine with 220pf 200V 5% dipped silver micas but now that...
  25. ianp

    Review: ZERO 24 BIT/192KHz DAC/Headphone Amp/Pre-Amp

    Quote: Originally Posted by Enthusia I was thinking the same thing, I found the 360uf / 6.3v on ebay, I doubt there would be any big differences between those two capacitors. In case you haven't read the authors .doc on the lampizator, allow me to quote him on the selection of...
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